Adds more `--list` tests in combination with `-u` and `-U` flag

[BriocheBerlin]

Adds tests for

• sudoers files with several rules (lines)
• what component of sudoers rule -u and -U flag match on.

[github-actions[bot]]

Number of dependencies and binary size impact report

Metric	main	PR #713	Delta
Direct dependencies	3	3	-
Total dependencies	4	4	-
Binary size	989 KiB	989 KiB	-
Text size	575.5 KiB	575.5 KiB	-

Dependencies diff

```diff └─ sudo-rs [v0.2.0-dev.20230711] ├─ glob [v0.3.1] ├─ libc [v0.2.147] └─ log [v0.4.19] ```

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (8ef8e70) 57.39% compared to head (ff6d28b) 57.39%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #713 +/- ## ======================================= Coverage 57.39% 57.39% ======================================= Files 68 68 Lines 9123 9123 ======================================= Hits 5236 5236 Misses 3887 3887 ```

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